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Practice the questions given in the worksheet on application of Factor Theorem.
1. Find the roots of the equation 6z2 + 11z -10 = 0. Hence, factorize 6z2 + 11z -10.
2. Find the roots of the equation 2m2 - 3m - 6 = 0. Hence, factorize 2m2 - 3m - 6 = 0
3. Find the roots of the equation p(p + 1) - 4 = 0. Hence, factorize 4 - p - p2.
4. Find the quadratic equation whose roots are
(i) -3, 7
(ii) 2 + √3, 2 - √3
(iii) 1√3, - 1√3
5. Find the cubic equation whose roots are
(i) 1, 2, 3
(ii) -4, √3, -√3
(iii) 12, √52, −√52
Answers for the worksheet on application of Factor Theorem are given below:
Answers:
1. 23 , −52; (3z - 2)(2z + 5)
2. 3+√574, 3−√574; (2m - 3+√572)(m - 3−√574)
3. −1+√172, −1−√172; (−1+√172 - p)( 1+√172 + p)
4. (i) y2 - 4y -21 = 0
(ii) z2 - 4z + 1 = 0
(iii) 3p2 - 1 = 0
5. (i) z3 - 6z2 + 11z - 6
(ii) m3 + 4m2 - 3m - 12
(iii) 8k3 - 4k2 - 10k + 5 = 0
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